Her husband is busy with work and rarely comes home. As a result, they can't have sex, and Yui's sexual desire has reached its limit. One day, she catches her cohabiting father-in-law having an erection while taking a nap. Yui, who is addicted to blowjobs, can't resist the sight of a more impressive penis than her husband's and ends up sucking it, crossing the line. Furthermore, Yui, who wants a child, begs her father-in-law to impregnate her…
